docs: def xpose(m):
      """
      Transpose a 3x3 matrix
  
      http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/xpose_c.html
  
      :param m: Matrix to be transposed 
      :type m: 3x3-Element Array of floats
      :return: Transposed matrix
      :rtype: 3x3-Element Array of floats
      """
      m = stypes.toDoubleMatrix(m)
      mout = stypes.emptyDoubleMatrix(x=3, y=3)
      libspice.xpose_c(m, mout)
      return stypes.cMatrixToNumpy(mout)